CN113911906A - Bridge gantry crane hanging bracket and use method thereof - Google Patents
Bridge gantry crane hanging bracket and use method thereof Download PDFInfo
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- CN113911906A CN113911906A CN202111315483.0A CN202111315483A CN113911906A CN 113911906 A CN113911906 A CN 113911906A CN 202111315483 A CN202111315483 A CN 202111315483A CN 113911906 A CN113911906 A CN 113911906A
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- electric hoist
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 51
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 23
- 230000008093 supporting effect Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
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- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
- B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
- B66C5/04—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods with runways or tracks supported for movements relative to bridge or gantry
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a bridge gantry crane hanging bracket and a use method thereof, wherein the bridge gantry crane hanging bracket comprises the following steps: the gantry frame assembly is used for supporting; the electric hoist is used for completing hoisting work, and a lifting hook is movably arranged at the bottom of the electric hoist; the driving mechanism is arranged at the top of the gantry frame assembly and is used for driving the electric hoist to move left and right; and the self-balancing assembly is arranged on the surface of the electric hoist and is used for self-adaptively adjusting and reducing the swinging of the lifting hook. According to the invention, one of the traction ropes is pulled by the swinging of the lifting hook, and the traction rope drives the mounting plate at the position to be pulled downwards, so that the two fixing boxes are not at the same height, the electric contact on the inner wall of one of the fixing boxes is completely immersed by mercury liquid, a current loop is formed at the moment, the traction rope at the low position is controlled to pull the lifting hook, the swinging amplitude of the lifting hook is shortened, the lifting hook is prevented from continuously swinging towards one end, and the damage caused by the swinging and swinging of a hanging object is prevented.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge gantry crane hanging bracket and a using method thereof.
Background
The bridge refers to a building constructed for a road to cross natural or artificial barriers, and is erected on rivers, lakes and seas, so that vehicles, pedestrians and the like can smoothly pass through the bridge; the bridge generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the substructure comprises a bridge abutment, a bridge pier and a foundation, and a hoisting mechanism is required in the bridge construction process.
However, in the prior art, the hung material cannot be well fixed in practical use, and the hung material is easily damaged to influence use due to the swinging problem in the hanging process.
Disclosure of Invention
The invention aims to provide a bridge gantry crane hanging bracket and a using method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the method comprises the following steps:
the gantry frame assembly is used for supporting;
the electric hoist is used for completing hoisting work, and a lifting hook is movably arranged at the bottom of the electric hoist;
the driving mechanism is arranged at the top of the gantry frame assembly and is used for driving the electric hoist to move left and right;
the self-balancing component is arranged on the surface of the electric hoist and is used for self-adaptively adjusting and reducing the swing of a lifting hook, the self-balancing component comprises two bearing plates which are respectively and fixedly arranged at the front side end and the rear side end of the electric hoist, a sheet-type pressure sensor is fixedly arranged at the top of the bearing plates, a telescopic rod is fixedly arranged at the top of the sheet-type pressure sensor, a damping spring is fixedly arranged on the surface of the telescopic rod, a mounting plate is fixedly arranged at the top of the telescopic rod, a second positive and negative motor is fixedly arranged at the top of the mounting plate, a traction shaft is fixedly arranged at an output shaft of the second positive and negative motor, traction ropes are wound on the surface of the traction shaft and are respectively and fixedly arranged at the front side end and the rear side end of the lifting hook, a fixing box is fixedly arranged at the top of the second positive and negative motor, and liquid circulation pipes and gas circulation pipes are fixedly arranged on the surfaces of the two fixing boxes, the inner wall of the fixed box is fixedly provided with two electric contacts, and mercury liquid is arranged in the fixed box;
and the fixing component is arranged at the bottom of the gantry frame component and is used for playing an auxiliary stabilizing and supporting role for the gantry frame component.
Preferably, the gas circulation pipe is located the top of liquid circulation pipe, and the middle part of liquid circulation pipe is by the immersion of mercury liquid, the both ends of gas circulation pipe and liquid circulation pipe are equallyd divide and are do not linked together with the inside of fixed box, the one end that the positive and negative motor position of second was kept away from to the traction shaft is passed through the bearing and is rotated and be connected with the second fixed block, and second fixed block fixed connection is at the top of mounting panel, first through-hole has been seted up at the middle part of the corresponding haulage rope position of mounting panel, the second through-hole has been seted up at the middle part of the corresponding haulage rope position of loading board, the surface of haulage rope respectively with the inner wall swing joint of first through-hole and second through-hole.
Preferably, the fixed surface of the positive and negative motor of second is connected with the motor cover, and fixed box fixed connection is at the top of motor cover, the bottom fixedly connected with fixed plate of loading board, the quantity of fixed plate is two, and two fixed plates are symmetrical setting about the vertical axis of loading board mid point, two the bottom of fixed plate opposite face one end is rotated through the bearing and is connected with first pivot pole, the surface of first pivot pole is fixedly connected with traction wheel and deflector respectively, the surface swing joint of surface and traction wheel of haulage rope, the quantity of deflector is two, and the haulage rope is located position between two deflectors.
Preferably, the portal frame subassembly includes the stand, the quantity of stand is two, and the top at two stand opposite face both ends is equallyd divide the first horizontal pole of other fixedly connected with, two the equal fixedly connected with second horizontal pole in middle part of first horizontal pole opposite face one end, other fixedly connected with support column is equallyd divide at both ends around the stand bottom, the equal fixedly connected with third horizontal pole in bottom of stand and support column, the fixed universal wheel that is equipped with in bottom of third horizontal pole.
Preferably, actuating mechanism includes first positive and negative motor, first positive and negative motor fixed connection is at the top of second horizontal pole, the output shaft fixedly connected with threaded rod of first positive and negative motor, the both ends on threaded rod surface are rotated through the bearing and are connected with first fixed block, and first fixed block fixed connection is at the top of second horizontal pole, the surperficial threaded connection of threaded rod has the screwed pipe, the fixed surface of screwed pipe is connected with the link, and link fixed connection is at the surperficial middle part of electronic calabash, first movable groove has been seted up at the middle part of the corresponding gas flow tube of link and liquid flow tube position, and the surface swing joint of the inner wall and liquid flow tube and the gas flow tube of first movable groove.
Preferably, the both ends are equallyd divide respectively fixedly connected with backup pad around the electric block both ends, the top of backup pad is rotated through the bearing and is connected with the connecting rod, the one end fixedly connected with gyro wheel of the corresponding second horizontal pole position of connecting rod, the guide rail has been seted up to the one end of the corresponding gyro wheel position of second horizontal pole, and the gyro wheel rotates the inner wall of connection at the guide rail.
Preferably, the fixing component comprises a connecting plate which is fixedly connected with one end of the opposite surfaces of the two upright posts, a second movable groove is arranged in the middle of the connecting plate, two second rotating rods are rotatably connected to the middle of the connecting plate corresponding to the second movable groove through bearings, gears are fixedly connected to the surfaces of the second rotating rods, the surfaces of the two gears are meshed with each other, the surfaces of the two gears are meshed with the lifting frames, the lifting frames are movably connected to the inner wall of the second movable groove, one end of one of the second rotating rods is fixedly connected with a hand wheel, the bottom of the lifting frame is fixedly connected with a balancing weight, and a third movable groove is formed in the bottom of the third cross rod corresponding to the position of the balancing weight, the inner wall of the third movable groove is movably connected with the surface of the balancing weight, and a fixing nail is fixedly connected to the bottom of the balancing weight.
A using method of a bridge gantry crane hanger comprises the following specific steps:
the first step is as follows: the vertical column is placed on a target position, the hand wheel is rotated, the hand wheel drives one of the second rotating rods to rotate, the two gears can rotate relatively under the mutual meshing effect of the surfaces of the two gears, the gears are further meshed with the inner wall of the lifting frame and drive the lifting frame to move up and down, and the lifting frame moves downwards, so that the lifting frame drives the fixed nail to be fixed into a foundation through the balancing weight to complete the auxiliary supporting effect on the portal frame assembly, and the portal frame assembly can stably complete work;
the second step is that: drive the threaded rod through first positive and negative motor circular telegram and rotate, and then make the threaded rod drive the screwed pipe and act on at the top of second horizontal pole and remove to through link adjustment electric block's position, through the cooperation between backup pad, connecting rod, gyro wheel and the guide rail, for the link shares pressure, make electric block can remove about the bottom of second horizontal pole steadily, remove to the target location until electric block:
the third step: the electric hoist and the second positive and negative motor are driven simultaneously and respectively unreel the chain for fixing the lifting hook and the traction rope simultaneously, at the moment, the unreeling length of the second positive and negative motor to the traction rope is slightly larger than the unreeling length of the electric hoist to the chain for fixing the lifting hook, the process can be finished by the rotating speed of the second positive and negative motor being higher than the rotating speed of the motor in the electric hoist until the lifting hook is at the target position, and the lifting hook is used for fixing a lifted object;
the fourth step: the electric hoist and the second positive and negative motor are driven simultaneously and roll up the chain and the traction rope which are used for fixing the lifting hook respectively, at the moment, the lifting hook drives the hoisted object to move upwards, the pressure transmitted by the telescopic rod is detected through the sheet type pressure sensor, when the pressure received by the sheet type pressure sensor is small, the upward movement of the hoisted object is driven by the electric hoist to do work, at the moment, the second positive and negative motor rotates at an accelerated speed and rolls up the traction rope through the traction shaft, so that the second positive and negative motor rolls up the traction rope through the traction shaft to drive the lifting hook to move upwards, the electric hoist is assisted to finish the lifting work, and when the pressure received by the sheet type pressure sensor is large, the upward movement of the hoisted object is driven by the second positive and negative motor to do work, at the moment, the second positive and negative motor rotates at a decelerated speed and reduces the rolling speed of the traction shaft to the traction rope, so that the lifting hook can be driven by the traction rope and the electric hoist synchronously, thereby achieving the purpose of assisting the electric hoist to do work;
the fifth step: when the electric hoist drives the lifting hook to move upwards, the electric hoist continuously drives the chain to wind, so that the lifting hook drives the hoisted object to be difficult to shake left and right, meanwhile, by arranging the fixed plate, the first rotating rod, the traction wheel and the guide plates, the traction rope can be limited between the two guide plates, the swinging of the lifting hook in the left and right directions can be further prevented through the traction rope, but the lifting hook can drive the hoisted object to shake in the front and back directions, when the lifting hook drives the hoisted object to shake in the front and back directions, the lifting hook can pull one traction rope at the moment, the traction rope is matched with the second positive and negative motor and the second fixed block through the traction shaft to drive the mounting plate at the position to pull downwards, and the mounting plate extrudes the telescopic rod and the damping spring, so that the mounting plate at the position moves downwards, and the mounting plate drives the fixing box to move downwards through the second positive and negative motor and the motor cover, the two fixed boxes are not at the same height, the two fixed boxes are communicated through the liquid circulating pipe and the gas circulating pipe, the liquid circulating pipe is used for passing mercury liquid, the gas circulating pipe is used for communicating gas inside the two fixing boxes, so that the mercury liquid can normally circulate between the two fixed boxes, the mercury liquid in the fixed box higher than a certain point can enter the fixed box lower than the certain point through the liquid circulating pipe until the electric contact point of the inner wall of the fixed box lower than the certain point is completely immersed by the mercury liquid, then the two electric contacts complete a current loop through mercury liquid and control a second positive and negative motor positioned at a low position to rotate in an accelerating way, and the winding speed of the traction shaft is improved, so that the traction shaft can drag the lifting hook through the traction rope, the shaking range of the lifting hook is shortened, thereby preventing the lifting hook from continuing to rock to one end, thereby preventing the condition that the hanging object is rocked and rocked to cause damage from occurring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, one of the traction ropes can be pulled by the swinging of the lifting hook, and the traction rope drives the mounting plate at the position to be pulled downwards, so that the two fixing boxes are not at the same height, the electric contact on the inner wall of one of the fixing boxes is completely immersed by mercury liquid, a current loop is formed at the moment, the traction rope at the low position is controlled to pull the lifting hook, the swinging amplitude of the lifting hook is shortened, the lifting hook is prevented from continuously swinging towards one end, and the damage caused by the swinging and swinging of a hanging object is prevented;
2. the lifting frame is driven to rotate by the hand wheel, the two gears can rotate relatively under the action of mutual meshing of the surfaces of the two gears, the gears are further meshed with the inner wall of the lifting frame and drive the lifting frame to move up and down, and the lifting frame moves downwards to drive the fixed nail to be fixed in a foundation through the balancing weight to complete the auxiliary supporting effect on the portal frame assembly, so that the portal frame assembly can stably complete work;
3. the electric hoist is also powered on by the first positive and negative motor to drive the threaded rod to rotate, so that the threaded rod drives the threaded pipe to move on the top of the second cross rod, the position of the electric hoist is adjusted by the connecting frame, and the pressure is shared by the connecting frame through the matching among the supporting plate, the connecting rod, the roller and the guide track, so that the electric hoist can stably move left and right on the bottom of the second cross rod until the electric hoist moves to a target position;
4. the invention also drives the chain and the traction rope which are used for fixing the lifting hook simultaneously through the electric hoist and the second positive and negative motor simultaneously, and winds the chain and the traction rope simultaneously respectively, at the same time, the lifting hook drives the hoisted object to move upwards, the pressure transmitted at the telescopic rod is detected through the sheet pressure sensor, when the pressure received by the sheet pressure sensor is smaller, the upward movement of the hoisted object is driven by the electric hoist to do work, at the same time, the second positive and negative motor rotates in an accelerating way and winds the traction rope through the traction shaft, so that the second positive and negative motor winds the traction rope through the traction shaft to drive the lifting hook to move upwards, the electric hoist is assisted to finish the hoisting work, and when the pressure received by the sheet pressure sensor is larger, the upward movement of the hoisted object is driven by the second positive and negative motor to do work, at the same time, the second positive and negative motor rotates in a decelerating way and reduces the speed of the traction shaft to the traction rope, so that the lifting hook can be driven by the traction rope and the electric hoist synchronously, thereby the purpose of assisting the electric hoist to do work can be realized.
Drawings
FIG. 1 is a front sectional view of the whole structure of a hanger of a bridge gantry crane according to the present invention;
FIG. 2 is a front sectional view of a fixing component structure in a bridge gantry crane hanger of the present invention;
FIG. 3 is a side view of the overall structure of a hanger of a bridge gantry crane according to the present invention;
FIG. 4 is a side sectional view of the overall structure of a hanger of a bridge gantry crane according to the present invention;
FIG. 5 is a partial cross sectional side view of the overall structure of a hanger of a bridge gantry crane according to the present invention;
FIG. 6 is an enlarged view of the structure at the position A in FIG. 2 of the bridge gantry crane hanger according to the present invention;
FIG. 7 is a cross-sectional view of a structure of a fixed box in a hanger of a bridge gantry crane according to the present invention;
FIG. 8 is a side sectional view of a fixing assembly structure in a bridge gantry crane hanger of the present invention.
In the figure: 1. a gantry assembly; 101. a column; 102. a first cross bar; 103. a second cross bar; 104. a support pillar; 105. a third cross bar; 106. a universal wheel; 2. a drive mechanism; 201. a first positive and negative motor; 202. a first fixed block; 203. a threaded rod; 204. a threaded pipe; 205. a connecting frame; 206. a support plate; 207. a connecting rod; 208. a roller; 209. a guide rail; 3. an electric hoist; 4. a hook; 5. a self-balancing assembly; 501. a carrier plate; 502. a sheet-type pressure sensor; 503. a telescopic rod; 504. a damping spring; 505. mounting a plate; 506. a second positive and negative motor; 507. a traction shaft; 508. a hauling rope; 509. a fixing box; 510. a liquid circulation pipe; 511. a gas circulation pipe; 512. an electrical contact; 513. a second fixed block; 514. a first through hole; 515. a second through hole; 516. a fixing plate; 517. a first rotating lever; 518. a traction wheel; 519. a guide plate; 520. a motor cover; 521. a first movable slot; 6. a fixing assembly; 601. a connecting plate; 602. a second movable slot; 603. a second rotating lever; 604. a gear; 605. a lifting frame; 606. a hand wheel; 607. a balancing weight; 608. a third movable slot; 609. and (5) fixing the nail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the method comprises the following steps:
the portal frame component 1 is used for supporting;
the electric hoist 3 is used for completing hoisting work, and a lifting hook 4 is movably arranged at the bottom of the electric hoist 3;
the driving mechanism 2 is arranged at the top of the gantry frame assembly 1 and is used for driving the electric hoist 3 to move left and right;
the self-balancing assembly 5 is arranged on the surface of the electric hoist 3 and used for self-adaptively adjusting and reducing the swing of the lifting hook 4, the self-balancing assembly 5 comprises two bearing plates 501, the two bearing plates 501 are respectively and fixedly arranged on the front side end and the rear side end of the electric hoist 3, a sheet-type pressure sensor 502 is fixedly arranged on the top of the bearing plates 501, a telescopic rod 503 is fixedly arranged on the top of the sheet-type pressure sensor 502, a damping spring 504 is fixedly arranged on the surface of the telescopic rod 503, a mounting plate 505 is fixedly arranged on the top of the telescopic rod 503, a second positive and negative motor 506 is fixedly arranged on the top of the mounting plate 505, a traction shaft 507 is fixedly arranged on an output shaft of the second positive and negative motor 506, traction ropes 508 are fixedly wound on the surface of the traction shaft 507, the two traction ropes 508 are respectively and fixedly arranged on the front side end and the rear side end of the lifting hook 4, and a fixing box 509 is fixedly arranged on the top of the second positive and negative motor 506, the surfaces of the two fixed boxes 509 are fixedly provided with a liquid circulating pipe 510 and a gas circulating pipe 511, the inner walls of the fixed boxes 509 are fixedly provided with two electric contacts 512, and mercury liquid is arranged in the fixed boxes 509;
and the fixing component 6 is arranged at the bottom of the gantry frame component 1 and is used for assisting, stabilizing and supporting the gantry frame component 1.
The gas circulation pipe 511 is located at the top of the liquid circulation pipe 510, and the middle part of the liquid circulation pipe 510 is immersed by mercury liquid, the two ends of the gas circulation pipe 511 and the two ends of the liquid circulation pipe 510 are respectively communicated with the inside of the fixing box 509, one end of the traction shaft 507 far away from the position of the second positive and negative motor 506 is rotatably connected with a second fixing block 513 through a bearing, the second fixing block 513 is fixedly installed at the top of the mounting plate 505, a first through hole 514 is formed in the middle part of the mounting plate 505 corresponding to the position of the traction rope 508, a second through hole 515 is formed in the middle part of the bearing plate 501 corresponding to the position of the traction rope 508, and the surface of the traction rope 508 is movably connected with the inner walls of the first through hole 514 and the second through hole 515 respectively.
The surface fixed mounting of the positive and negative motor 506 of second has motor cover 520, and fixed box 509 fixed mounting is at the top of motor cover 520, the bottom fixed mounting of loading board 501 has fixed plate 516, the quantity of fixed plate 516 is two, and two fixed plates 516 are symmetrical the setting for the symmetry axis about the vertical axis of loading board 501 mid point, the bottom of two fixed plate 516 opposite face one end is connected with first rotation pole 517 through the bearing rotation, the surface of first rotation pole 517 is fixed mounting respectively has traction wheel 518 and deflector 519, the surface of haulage rope 508 and the surface swing joint of traction wheel 518, the quantity of deflector 519 is two, and haulage rope 508 is located position between two deflectors 519.
Gantry assembly 1 includes stand 101, and the quantity of stand 101 is two, and the top at two stand 101 opposite face both ends is equallyd divide and is do not fixedly mounted with first horizontal pole 102, and the equal fixed mounting in middle part of two first horizontal pole 102 opposite face one ends has second horizontal pole 103, and equal fixed mounting has support column 104 at both ends around the stand 101 bottom, and the equal fixed mounting in bottom of stand 101 and support column 104 has third horizontal pole 105, and the fixed universal wheel 106 that is equipped with in bottom of third horizontal pole 105.
The driving mechanism 2 comprises a first positive and negative motor 201, the first positive and negative motor 201 is fixedly installed at the top of the second cross rod 103, a threaded rod 203 is fixedly installed on an output shaft of the first positive and negative motor 201, two ends of the surface of the threaded rod 203 are rotatably connected with a first fixed block 202 through bearings, the first fixed block 202 is fixedly installed at the top of the second cross rod 103, a threaded pipe 204 is connected with the surface of the threaded rod 203 in a threaded manner, a connecting frame 205 is fixedly installed on the surface of the threaded pipe 204, the connecting frame 205 is fixedly installed at the middle part of the surface of the electric hoist 3, a first movable groove 521 is formed in the middle part of the connecting frame 205 corresponding to the gas circulation pipe 511 and the liquid circulation pipe 510, and the inner wall of the first movable groove 521 is movably connected with the surfaces of the liquid circulation pipe 510 and the gas circulation pipe 511.
The front and back both ends at the both ends of electric block 3 are equallyd divide and are had the backup pad 206 respectively, and the top of backup pad 206 is rotated through the bearing and is connected with connecting rod 207, and the one end fixed mounting in the corresponding second horizontal pole 103 position of connecting rod 207 has gyro wheel 208, and guide rail 209 has been seted up to the one end in the corresponding gyro wheel 208 position of second horizontal pole 103, and gyro wheel 208 rotates the inner wall of connecting at guide rail 209.
The fixed component 6 comprises a connecting plate 601, the connecting plate 601 is fixedly arranged at one end of the opposite surfaces of the two upright posts 101, a second movable groove 602 is arranged in the middle of the connecting plate 601, two second rotating rods 603 are rotatably connected to the middle of the connecting plate 601 corresponding to the position of the second movable groove 602 through bearings, a gear 604 is fixedly arranged on the surface of each second rotating rod 603, the surfaces of the two gears 604 are meshed with each other, the lifting frames 605 are meshed with the surfaces of the two gears 604, the lifting frames 605 are movably connected with the inner wall of the second movable groove 602, one end of one of the second rotating rods 603 is fixedly provided with a hand wheel 606, the bottom of the lifting frame 605 is fixedly provided with a balancing weight 607, the bottom of the third cross rod 105 corresponding to the position of the balancing weight 607 is provided with a third movable groove 608, the inner wall of the third movable groove 608 is movably connected with the surface of the balancing weight 607, and the bottom of the balancing weight 607 is fixedly provided with a fixing nail 609.
A using method of a bridge gantry crane hanger comprises the following specific steps:
the first step is as follows: placing the upright post 101 on a target position, rotating a hand wheel 606, so that the hand wheel 606 drives one of the second rotating rods 603 to rotate, under the mutual meshing effect of the surfaces of the two gears 604, the two gears 604 can rotate relatively, further the gears 604 are meshed with the inner wall of the lifting frame 605 and drive the lifting frame 605 to move up and down, and by moving the lifting frame 605 downwards, the lifting frame 605 drives the fixing nails 609 to be pricked into a foundation through the balancing weight 607 to complete the auxiliary supporting effect on the gantry frame assembly 1, so that the gantry frame assembly 1 can stably complete the work;
the second step is that: drive threaded rod 203 through first positive and negative motor 201 circular telegram and rotate, and then make threaded rod 203 drive screwed pipe 204 and move at the top effect of second horizontal pole 103, and adjust electric block 3's position through link 205, through backup pad 206, connecting rod 207, cooperate between gyro wheel 208 and the guide track 209, for link 205 shares pressure, make electric block 3 can remove about the bottom of second horizontal pole 103 steadily, move to the target location until electric block 3:
the third step: the electric hoist 3 and the second forward and reverse motor 506 are driven simultaneously, and respectively unreel the chain for fixing the lifting hook 4 and the traction rope 508 simultaneously, at the moment, the unreeling length of the traction rope 508 by the second forward and reverse motor 506 is slightly larger than that of the chain for fixing the lifting hook 4 by the electric hoist 3, the process can be completed by the rotating speed of the second forward and reverse motor 506 being higher than that of the motor inside the electric hoist 3 until the lifting hook 4 is at the target position, and the hoisted object is fixed by the lifting hook 4;
the fourth step: the electric hoist 3 and the second forward and reverse motor 506 are driven simultaneously, and roll up the chain and the traction rope 508 which are used for fixing the hook 4 simultaneously, at this time, the hook 4 drives the hoisted object to move upwards, the pressure transmitted by the telescopic rod 503 is detected by the sheet type pressure sensor 502, when the pressure received by the sheet type pressure sensor 502 is small, the upward movement of the hoisted object is driven by the electric hoist 3 to do work, at this time, the second forward and reverse motor 506 rotates with high speed, and the traction shaft 507 is accelerated to roll up the traction rope 508, so that the second forward and reverse motor 506 rolls up the traction rope 508 through the traction shaft 507 to drive the hook 4 to move upwards, the electric hoist 3 is assisted to finish the hoisting work, and when the pressure received by the sheet type pressure sensor 502 is large, the upward movement of the hoisted object is driven by the second forward and reverse motor 506 to do work, at this time, the second forward and reverse motor 506 rotates with low speed, and the rolling up speed of the traction rope 508 by the traction shaft 507 is reduced, the lifting hook 4 can be synchronously driven by the traction rope 508 and the electric hoist 3, so that the purpose of assisting in working on the electric hoist 3 can be realized;
the fifth step: when the electric hoist 3 drives the hook 4 to move upwards, the electric hoist 3 continuously drives the chain to wind, so that the hook 4 drives the hanging object to be not easy to shake left and right, meanwhile, by arranging the fixing plate 516, the first rotating rod 517, the traction wheel 518 and the guide plates 519, the traction rope 508 can be limited between the two guide plates 519, the lifting hook 4 can be further prevented from shaking in the left and right direction through the traction rope 508, but the hook 4 can drive the hanging object to shake in the front and back direction, when the hanging object is driven by the hook 4 to shake in the front and back direction, the hook 4 can pull one of the traction ropes 508 at the moment, and the traction rope 508 can drive the mounting plate 505 at the position to pull downwards through the traction shaft 507 in cooperation with the second positive and negative motor 506 and the second fixing block 513, and the mounting plate 505 can extrude the telescopic rod 503 and the damping spring 504, so that the mounting plate 505 at the position moves downwards, further, the mounting plate 505 drives the fixing boxes 509 to move downwards through the second positive and negative motor 506 and the motor cover 520, and the two fixing boxes 509 are not at the same height, the two fixing boxes 509 are communicated through the liquid circulating pipe 510 and the gas circulating pipe 511, the liquid circulating pipe 510 is used for allowing the mercury liquid to pass through, the gas circulating pipe 511 is used for allowing the gas inside the two fixing boxes 509 to communicate with each other, so that the mercury liquid can normally flow between the two fixing boxes 509, the mercury liquid inside the fixing box 509 higher than the fixing box 509 enters the fixing box 509 lower than the fixing box 509 through the liquid circulating pipe 510 until the electric contact 512 on the inner wall of the fixing box 509 lower than the fixing box is completely immersed by the mercury liquid, at this time, the two electric contacts 512 complete a current circuit through the mercury liquid, control the second positive and negative motor 506 located at the lower position to accelerate rotation, and increase the winding speed of the traction shaft 507, so that the traction shaft 507 pulls the hook 4 through the traction rope 508, the shaking amplitude of the lifting hook 4 is shortened, so that the lifting hook 4 is prevented from continuing to shake towards one end, and the situation that the damage is caused by the swinging of the hanging object is prevented.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a bridge gantry crane gallows which characterized in that: the method comprises the following steps:
the gantry frame assembly (1) is used for supporting;
the electric hoist (3) is used for completing hoisting work, and a lifting hook (4) is movably arranged at the bottom of the electric hoist (3);
the driving mechanism (2) is arranged at the top of the gantry frame assembly (1) and is used for driving the electric hoist (3) to move left and right;
the self-balancing component (5) is arranged on the surface of the electric hoist (3) and used for self-adaptively adjusting and reducing the swinging of a lifting hook (4), the self-balancing component (5) comprises two bearing plates (501), the two bearing plates (501) are respectively and fixedly arranged at the front side end and the rear side end of the electric hoist (3), the top of each bearing plate (501) is fixedly provided with a sheet-type pressure sensor (502), the top of each sheet-type pressure sensor (502) is fixedly provided with a telescopic rod (503), the surface of each telescopic rod (503) is fixedly provided with a damping spring (504), the top of each telescopic rod (503) is fixedly provided with a mounting plate (505), the top of each mounting plate (505) is fixedly provided with a second positive and negative motor (506), the output shaft of each second positive and negative motor (506) is fixedly provided with a traction shaft (507), and the surface of each traction shaft (507) is fixedly wound with a traction rope (508), the two traction ropes (508) are fixedly arranged at the front side end and the rear side end of the lifting hook (4) respectively, a fixing box (509) is fixedly arranged at the top of the second positive and negative motor (506), a liquid circulating pipe (510) and a gas circulating pipe (511) are fixedly arranged on the surfaces of the two fixing boxes (509), two electric contacts (512) are fixedly arranged on the inner wall of each fixing box (509), and mercury liquid is arranged in each fixing box (509);
and the fixing component (6) is arranged at the bottom of the gantry frame component (1) and is used for assisting, stabilizing and supporting the gantry frame component (1).
2. A bridge gantry crane spreader according to claim 1, wherein: the gas circulation pipe (511) is located the top of liquid circulation pipe (510), and the middle part of liquid circulation pipe (510) is submerged by mercury liquid, the inside that the both ends of gas circulation pipe (511) and liquid circulation pipe (510) are equallyd divide and are linked together with fixed box (509), the one end that keeps away from second positive and negative motor (506) position in traction shaft (507) is rotated through the bearing and is connected with second fixed block (513), and second fixed block (513) fixed connection is at the top of mounting panel (505), first through-hole (514) have been seted up in the middle part of the corresponding haulage rope (508) position of mounting panel (505), second through-hole (515) have been seted up in the middle part of the corresponding haulage rope (508) position of mounting panel (501), the surface of haulage rope (508) respectively with the inner wall swing joint of first through-hole (514) and second through-hole (515).
3. A bridge gantry crane spreader according to claim 1, wherein: the fixed surface of the positive and negative motor of second (506) is connected with motor cover (520), and fixed box (509) fixed connection is at the top of motor cover (520), the bottom fixedly connected with fixed plate (516) of loading board (501), the quantity of fixed plate (516) is two, and two fixed plates (516) are symmetrical setting for the symmetry axis about the vertical axis of loading board (501) mid point, two the bottom of fixed plate (516) opposite face one end is rotated through the bearing and is connected with first rotation pole (517), the surface of first rotation pole (517) is fixedly connected with traction wheel (518) and deflector (519) respectively, the surface of haulage rope (508) and the surface swing joint of traction wheel (518), the quantity of deflector (519) is two, and haulage rope (508) are located position between two deflector (519).
4. A bridge gantry crane spreader according to claim 1, wherein: the gantry frame assembly (1) comprises two upright columns (101), wherein the number of the upright columns (101) is two, the tops of two opposite surface ends of the two upright columns (101) are respectively and fixedly connected with a first cross rod (102) and a second cross rod (103) respectively, the middle of one end of the opposite surface of the first cross rod (102) is respectively and fixedly connected with a second cross rod (103), the front end and the rear end of the bottom of the upright column (101) are respectively and fixedly connected with a support column (104), the bottom of the upright column (101) and the bottom of the support column (104) are respectively and fixedly connected with a third cross rod (105), and universal wheels (106) are fixedly arranged at the bottom of the third cross rod (105).
5. A bridge gantry crane spreader according to claim 1, wherein: the driving mechanism (2) comprises a first positive and negative motor (201), the first positive and negative motor (201) is fixedly connected to the top of the second cross rod (103), the output shaft of the first positive and negative motor (201) is fixedly connected with a threaded rod (203), two ends of the surface of the threaded rod (203) are rotatably connected with a first fixed block (202) through bearings, the first fixing block (202) is fixedly connected to the top of the second cross rod (103), the surface of the threaded rod (203) is in threaded connection with a threaded pipe (204), the surface of the threaded pipe (204) is fixedly connected with a connecting frame (205), and the connecting frame (205) is fixedly connected with the middle part of the surface of the electric hoist (3), the middle part of the connecting frame (205) corresponding to the positions of the gas circulating pipe (511) and the liquid circulating pipe (510) is provided with a first movable groove (521), and the inner wall of the first movable groove (521) is movably connected with the surfaces of the liquid circulating pipe (510) and the gas circulating pipe (511).
6. A bridge gantry crane spreader according to claim 4, wherein: the electric hoist is characterized in that the front end and the rear end of the two ends of the electric hoist (3) are respectively and fixedly connected with supporting plates (206), the top of each supporting plate (206) is rotatably connected with a connecting rod (207) through a bearing, one end of each connecting rod (207) corresponding to the corresponding second cross rod (103) is fixedly connected with a roller (208), one end of each corresponding roller (208) of the corresponding second cross rod (103) is provided with a guide rail (209), and each roller (208) is rotatably connected to the inner wall of each guide rail (209).
7. A bridge gantry crane spreader according to claim 4, wherein: the fixing component (6) comprises a connecting plate (601), the connecting plate (601) is fixedly connected to one end of each of the opposite surfaces of the two upright posts (101), a second movable groove (602) is formed in the middle of the connecting plate (601), the middle of the connecting plate (601) corresponding to the second movable groove (602) is rotatably connected with two second rotating rods (603) through bearings, gears (604) are fixedly connected to the surfaces of the second rotating rods (603), the surfaces of the two gears (604) are meshed with each other, lifting frames (605) are respectively meshed with the surfaces of the two gears (604), the lifting frames (605) are movably connected to the inner wall of the second movable groove (602), one end of one of the second rotating rod (603) is fixedly connected with a hand wheel (606), the bottom of each lifting frame (605) is fixedly connected with a balancing weight (607), and a third movable groove (608) is formed in the bottom of the third cross rod (105) corresponding to the balancing weight (607), the inner wall of the third movable groove (608) is movably connected with the surface of a balancing weight (607), and the bottom of the balancing weight (607) is fixedly connected with a fixing nail (609).
8. The use method of the bridge gantry crane hanger frame according to the claims 1-7 is characterized by comprising the following specific steps:
the first step is as follows: placing the upright post (101) on a target position, rotating a hand wheel (606) to enable the hand wheel (606) to drive one of the second rotating rods (603) to rotate, enabling the two gears (604) to rotate relatively under the mutual meshing effect of the surfaces of the two gears (604), further enabling the gears (604) to be meshed with the inner wall of the lifting frame (605) and driving the lifting frame (605) to move up and down, enabling the lifting frame (605) to drive the fixing nails (609) to be pricked into a foundation through the balancing weight (607) to complete the auxiliary supporting effect on the portal frame assembly (1) through downward movement of the lifting frame (605), and enabling the portal frame assembly (1) to stably complete work;
the second step is that: drive threaded rod (203) through first positive and negative motor (201) circular telegram and rotate, and then make threaded rod (203) drive screwed pipe (204) and remove in the top effect of second horizontal pole (103), and adjust the position of electric block (3) through link (205), through backup pad (206), connecting rod (207), cooperate between gyro wheel (208) and guide rail (209), for link (205) share pressure, make electric block (3) can remove about the bottom of second horizontal pole (103) steadily, move to the target location until electric block (3):
the third step: the electric hoist (3) and the second positive and negative motor (506) are driven simultaneously and respectively unreel the chain for fixing the lifting hook (4) and the traction rope (508) simultaneously, at the moment, the unreeling length of the second positive and negative motor (506) for the traction rope (508) is slightly larger than the unreeling length of the electric hoist (3) for fixing the chain for fixing the lifting hook (4), the process can be completed by the rotating speed of the second positive and negative motor (506) being higher than the rotating speed of the motor inside the electric hoist (3) until the lifting hook (4) is at the target position, and the lifting hook (4) is used for fixing a hanging object;
the fourth step: the electric hoist (3) and the second positive and negative motor (506) are driven simultaneously, and the chain for fixing the lifting hook (4) and the traction rope (508) are wound simultaneously, at the moment, the lifting hook (4) drives the hoisted object to move upwards, the pressure transmitted by the telescopic rod (503) is detected through the sheet type pressure sensor (502), when the pressure received by the sheet type pressure sensor (502) is small, the upward movement of the hoisted object is indicated to be driven by the work of the electric hoist (3), at the moment, the second positive and negative motor (506) rotates at an accelerated speed, the winding of the traction rope (508) by the traction shaft (507) is accelerated, so that the second positive and negative motor (506) winds the traction rope (508) through the traction shaft (507) to drive the lifting hook (4) to move upwards, the electric hoist (3) completes the hoisting work, and when the pressure received by the sheet type pressure sensor (502) is large, the upward movement of the hoisted object is indicated to be driven by the work of the second positive and negative motor (506), at the moment, the second positive and negative motor (506) rotates in a speed reducing mode, and the winding speed of the traction shaft (507) to the traction rope (508) is reduced, so that the lifting hook (4) can be synchronously driven by the traction rope (508) and the electric hoist (3), and the purpose of assisting in working on the electric hoist (3) can be achieved;
the fifth step: when the electric hoist (3) drives the lifting hook (4) to move upwards, the electric hoist (3) continuously drives the chain to wind, so that the lifting hook (4) drives the hoisted object to be difficult to shake left and right, meanwhile, the lifting hook (4) can be driven to shake in the left and right directions by arranging the fixing plate (516), the first rotating rod (517), the traction wheel (518) and the guide plate (519) through limiting the traction rope (508) between the two guide plates (519), the hoisting hook (4) is further prevented from shaking in the left and right directions through the traction rope (508), but the lifting hook (4) can drive the hoisted object to shake in the front and back directions, when the lifting hook (4) drives the hoisted object to shake in the front and back directions, at the moment, the lifting hook (4) can pull one traction rope (508), and the traction rope (508) is matched with the second positive and negative motor (506) and the second fixing block (513) through the traction shaft (507) to drive the mounting plate (505) at the position to pull downwards, the mounting plate (505) extrudes the telescopic rod (503) and the damping spring (504), so that the mounting plate (505) at the position moves downwards, the mounting plate (505) drives the fixed boxes (509) to move downwards through the second positive and negative motor (506) and the motor cover (520), the two fixed boxes (509) are not at the same height, the two fixed boxes (509) are communicated through the liquid circulating pipe (510) and the gas circulating pipe (511), the liquid circulating pipe (510) is used for allowing mercury liquid to pass through, the gas circulating pipe (511) is used for allowing gas inside the two fixed boxes (509) to be communicated, so that the two fixed boxes (509) can normally circulate mercury liquid, the mercury liquid inside the fixed box (509) which is a little higher enters the inside of the fixed box (509) which is a little lower through the liquid circulating pipe (510) until the electric contact (512) on the inner wall of the fixed box (509) which is a little lower is completely immersed by the mercury liquid, then two electric contacts (512) this moment pass through the mercury liquid and accomplish the current return circuit to control the second positive and negative motor (506) that is located the low position and rotate with higher speed, and improve the rolling speed of drawing axle (507), make and draw axle (507) and draw lifting hook (4) through haulage rope (508), shorten the range that lifting hook (4) rocked, thereby prevent that lifting hook (4) from continuing to rock to one end, thereby realized preventing that the thing that hangs from swaying rocks the condition emergence that causes the damage.
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| CN116177384A (en) * | 2023-04-27 | 2023-05-30 | 济宁四通工程机械有限公司 | Lifting machine based on balanced function of hanging |
| CN116354227A (en) * | 2023-03-30 | 2023-06-30 | 徐州泉山经济开发区投资发展有限公司 | Automatic intelligent crane |
| CN116675129A (en) * | 2023-05-24 | 2023-09-01 | 诺威起重设备（苏州）有限公司 | Automatic change jack-up electric block |
| CN117142343A (en) * | 2023-10-30 | 2023-12-01 | 河南省华中起重机集团有限公司 | Electric hoist of European crane |
| CN117303180A (en) * | 2023-11-28 | 2023-12-29 | 新乡学院 | Anti-swing crane fixing device convenient to install |
| CN117985582A (en) * | 2024-04-03 | 2024-05-07 | 河南省盛华重型起重机有限公司 | Lifting appliance for hydraulic loop geological drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117985582A (en) * | 2024-04-03 | 2024-05-07 | 河南省盛华重型起重机有限公司 | Lifting appliance for hydraulic loop geological drilling |
| CN117985582B (en) * | 2024-04-03 | 2024-06-04 | 河南省盛华重型起重机有限公司 | Lifting appliance for hydraulic loop geological drilling |
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Effective date of registration: 20231201 Address after: 510000, Building A, Cairun International Building, No. 2 Dongguan Zhuang Road, Tianhe District, Guangzhou City, Guangdong Province, China, 3106-3107 (office only) Applicant after: Guangdong Hongji Road and Bridge Construction Co.,Ltd. Address before: 312000 No. 322, East Street, Yuecheng District, Shaoxing City, Zhejiang Province Applicant before: Li Lei |
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